BE447254A - - Google Patents
Info
- Publication number
- BE447254A BE447254A BE447254DA BE447254A BE 447254 A BE447254 A BE 447254A BE 447254D A BE447254D A BE 447254DA BE 447254 A BE447254 A BE 447254A
- Authority
- BE
- Belgium
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H3/00—Making helical bodies or bodies having parts of helical shape
- B21H3/02—Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling
- B21H3/04—Making by means of profiled-rolls or die rolls
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolls And Other Rotary Bodies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE886200X | 1941-09-26 | ||
| DE886200X | 1942-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447254A true BE447254A (https=) | 1942-10-31 |
Family
ID=31979336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447254D BE447254A (https=) | 1941-09-26 | 1942-09-22 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE447254A (https=) |
| CH (1) | CH266694A (https=) |
| FR (1) | FR886200A (https=) |
| NL (1) | NL63143C (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157202B (zh) * | 2020-10-20 | 2022-05-06 | 哈尔滨广旺机电设备制造有限公司 | 一种小型棒料滚丝设备 |
-
0
- NL NL63143D patent/NL63143C/xx active
-
1942
- 1942-09-15 CH CH266694D patent/CH266694A/de unknown
- 1942-09-22 BE BE447254D patent/BE447254A/xx unknown
- 1942-09-25 FR FR886200D patent/FR886200A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR886200A (https=) | 1943-10-07 |
| NL63143C (https=) | |
| CH266694A (de) | 1950-02-15 |